spacemacs: add irony as company backend

This should provide auto-completion with clang's help.

1 files changed, 44 insertions, 0 deletions

diff --git a/spacemacs/.emacs.d/private/irony-mode/packages.el b/spacemacs/.emacs.d/private/irony-mode/packages.el
new file mode 100644
index 0000000..ab7fd30
--- /dev/null
+++ b/spacemacs/.emacs.d/private/irony-mode/packages.el
@@ -0,0 +1,44 @@
+(setq irony-mode-packages
+  '(irony
+    company-irony
+    flycheck-irony))
+
+(setq irony-mode-excluded-packages
+  '(auto-complete-clang))
+
+(defun irony-mode/init-irony ()
+  (use-package irony
+    :defer t
+    :init
+    (progn
+      (add-hook 'c++-mode-hook 'irony-mode)
+      (add-hook 'c-mode-hook 'irony-mode)
+      (add-hook 'objc-mode-hook 'irony-mode)
+      (add-hook 'irony-mode-hook
+                (lambda ()
+                  (define-key irony-mode-map [remap completion-at-point]
+                    'irony-completion-at-point-async)
+                  (define-key irony-mode-map [remap complete-symbol]
+                    'irony-completion-at-point-async)))
+      (add-hook 'irony-mode-hook 'irony-cdb-autosetup-compile-options)
+      (spacemacs|diminish irony-mode " Ⓘ" " I"))))
+
+(defun irony-mode/init-company-irony ()
+  (use-package company-irony
+    :defer t
+    :init
+    (progn
+      (eval-after-load 'company
+        '(add-to-list 'company-backends 'company-irony))
+      (add-hook 'irony-mode-hook 'company-irony-setup-begin-commands)
+      (add-hook 'irony-mode-hook 'company-mode))))
+
+(defun irony-mode/init-flycheck-irony ()
+  (use-package flycheck-irony
+    ;; :defer t                            ; fix this ???
+    :init
+    (progn
+      (eval-after-load 'flycheck
+        '(add-to-list 'flycheck-checkers 'irony))
+      (add-hook 'irony-mode-hook 'flycheck-mode))))
+